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[ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.3.32-MariaDB-1:10.3.32+maria~bionic
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=1
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max_threads=153
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thread_count=6
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467428 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x5613433f0b58
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7f31d4050dd8 thread_stack 0x49000
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/usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x56134106d98e]
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/usr/sbin/mysqld(handle_fatal_signal+0x515)[0x561340b011a5]
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/lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7f31d681a980]
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/usr/sbin/mysqld(_ZN12Item_func_in7cleanupEv+0x37)[0x561340c13217]
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/usr/sbin/mysqld(_ZN4Item17cleanup_processorEPv+0x1a)[0x561340b137fa]
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/usr/sbin/mysqld(_ZN9Item_cond4walkEM4ItemFbPvEbS1_+0x45)[0x561340b33475]
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/usr/sbin/mysqld(_Z21fix_session_vcol_exprP3THDP19Virtual_column_info+0x36)[0x5613409c68c6]
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/usr/sbin/mysqld(_Z30fix_session_vcol_expr_for_readP3THDP5FieldP19Virtual_column_info+0x47)[0x5613409c6927]
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/usr/sbin/mysqld(_ZN10Item_field10fix_fieldsEP3THDPP4Item+0xdc)[0x561340b24f3c]
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/usr/sbin/mysqld(_ZN9Item_func10fix_fieldsEP3THDPP4Item+0x147)[0x561340b5e3b7]
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/usr/sbin/mysqld(_Z11setup_condsP3THDP10TABLE_LISTR4ListIS1_EPP4Item+0x1ef)[0x5613408c4fdf]
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/usr/sbin/mysqld(_ZN4JOIN7prepareEP10TABLE_LISTjP4ItemjP8st_orderbS5_S3_S5_P13st_select_lexP18st_select_lex_unit+0x3dc)[0x56134096357c]
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/usr/sbin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x7eb)[0x5613409735cb]
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/usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x14d)[0x56134097386d]
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/usr/sbin/mysqld(+0x595941)[0x561340912941]
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/usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x5261)[0x56134091f461]
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/usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x1ea)[0x561340921daa]
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/usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0xc2d)[0x56134092371d]
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/usr/sbin/mysqld(_Z10do_commandP3THD+0x126)[0x561340925436]
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/usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x336)[0x5613409fa956]
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/usr/sbin/mysqld(handle_one_connection+0x3d)[0x5613409faa2d]
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nptl/pthread_create.c:463(start_thread)[0x7f31d680f6db]
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x86_64/clone.S:97(clone)[0x7f31d653871f]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x5613433fe600): SELECT * FROM test where valid=1
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Connection ID (thread ID): 11
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Status: NOT_KILLED
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Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
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information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /var/lib/mysql
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size 0 unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 9859 9859 processes
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Max open files 32768 32768 files
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Max locked memory 67108864 67108864 bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 9859 9859 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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